Logstash uses ruby filter plugin to parse events incorrectly,This is a random event. · Issue #58 · logstash-plugins/logstash-filter-ruby · GitHub
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To use a ruby filter to join the elements of each array into an array of objects logstash - Logstash - Discuss the Elastic Stack
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Ruby filter: escaping single quote inside the back quote expression - Logstash - Discuss the Elastic Stack
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